Can we use $table_model() in verilogAMS
Dear All,I have used $table_model() in VerilogA.But while using it in Verilog or VerilogAMS, I am seeing errors.So, Can we use $table_model() in verilogAMS ?Kind Regards,
View ArticleVirtuoso 18.1
Hi,Getting the warning message while trying to use the router in virtuoso18.1,*WARNING* "Command wrongway_pin_escape requires application feature Router only that cannot be licensed".*WARNING* TCL...
View ArticleError in running AMS simulation
I have a simulation with a systemVerilog module and an analog block and trying to simulate them together.1. Using ADE XL2. Have set the simulator to ams3. Set my connect rules4. Made config view with...
View ArticleGetting SKill Script From GUI History
How Can I get the Skill script behind my GUI command? For example, from the menu bar clicking on Connectivity -> XL Probe, I want to add a bind key for opening XL Probe. Hence, I need to get the...
View ArticleImporting corner setup from CSV with double quotes
I would like to import my "corner setup" into ADE Assembler from a CSV file.One of the variables defined is a file name that needs to be specified with double quotes or Cadence/Spectre will not run.In...
View ArticleVCCAP Usage and Documentation
Hi Guys, I have a question about vccap in the analogue lib.I need to simulate a design with a varying capacitor and hence use a vccap is a good choice.However, I don't quite know how to use it and the...
View ArticleConverting Schematic Testbench Setup into Command Line Spice File(s)?
Hi,Assuming I have a complete test bench with timing signals, biases, voltage sources, etc connected to different sub blocks. Is there an easy way to convert this "schematic gui" into a spice level...
View ArticleHow to delete multiple cells in LibManager
Is there a way in the LibManager to select multiple cells and delete them ?Currently I only can delete one cells after the other, which is a pain if you have more than 10 cells to delete.In my case I...
View ArticleVerilog-A switch model with thermal noise modeling
Hello,I am trying to write a verilog-A model for an ideal switch that would be compatible with PSS/PNOISE simulations. The goal is to simulate kT/C noise in switched-capacitor circuits, so I have the...
View ArticleMake layout more visible in layout L
In schematic, you can change background, color or bold of wires or devices to make circuits easier to read or put it for presentation. Is there a similar feature for layout L?With default coloring like...
View ArticleSymbolic (Analytical) Transfer function from Cadence (XF/PZ) for Simulink...
I am trying to extract a symbolic transfer function from a circuit I have so that I can use that transfer function in Simulink. I am designing a multi-stage op amp and wanted to be able to use the...
View ArticleDynamic Variable
Hi, I have a simulation in ADE assembler where I run a transient sim first and use the final condition of the transient sim (Writefinal -->spectre.fc) as an initial condition to pss sim (readic). In...
View Articlemaestro - .tcl file - signals not saved when running monte carlo, single run...
Hi,in an AMS maestro testbench, the internal vhdl variables of a digital instance should be evaluated.This is done by a ams_sim.tcl-file, which has probe statements:probe -create -emptyok -database...
View ArticleHow to change default schematic symbol colors
Excuse me if this has been asked before but I couldn't find anything.We have a pdk from a foundry where all the schematic symbols have the default green color.We would like to change the color of...
View ArticleCadence virtuoso CDB to OA conversion ( ERROR*loadcontext )
hiI transfer new pdk from CDB to OA format using the conversion toolbox. The conversion is completed without problem but when i create a library > attach it to new pdk this error appear in...
View Articlecsh C script for automating the ocean simulation
Dear all,I am trying to build a C script that sets the environment, invokes the ocean software and completes the simulation without any interventions required. (basically automating the whole...
View ArticleHow to use PSS to determine the output dynamic range ?
Dear all,I am simulate a one stage amp, my mentor ask me to use PSS simulation to determine the THD and dynamic range. I use trans to check the output THD before, but don't know how to determine the...
View ArticleBatch export of parasitic values in nets
HiI'm using virtuoso 6.1.8 and have QRC extracting my paracitics. I have a pretty complicated cell and I want to see what the net R and C parasitic values are on my bus - is there a way to batch...
View ArticlePrint Noise Summary after Pnoise Simulation(timedomain)
Hi Everyone,I need to simulate the noise of my circuit by using pnoise analysis, which is shown as below:unsmpldNoise out 0 pnoise start=0.1 stop=10/t_period maxsideband=200 smpldNoise out 0 pnoise...
View Articlescaling layout
Guys, is there any way to scale a design (layout)? For example, let's say I have a design that includes only metal-1 and I want to scale it both in x and y directions, by a factor of 0.9. Any solution...
View Article